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What is the colon operator in Ruby?
When I say { :bla => 1, :bloop => 2 } , what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
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PHP 5.4 Call-time pass-by-reference - Easy fix available?
... be visible to the functions local scope. So unless you know what the code does, I'd recommend fixing it as described above instead of just removing the & character
– xorinzor
Sep 16 '15 at 7:26
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Public Fields versus Automatic Properties
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@KyleBaran No, it doesn't make much sense because a property is a pair of accessor methods, not a variable. A usual thing to do is to declare a local variable (possibly read the property an put its value into the local variable), pass the loca...
Is there such a thing as min-font-size and max-font-size?
...is such a thing as min-font-size or max-font-size , and if such a thing does not exist, if there is a way to achieve something similar.
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Ignore python multiple return value
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It doesn't call the function multiple times: >>> def test(): ... print "here" ... return 1,2,3 ... >>> a,b = test()[:2] here [edit: sorry that code didn't come through, aparently you only get one line...
Merge two (or more) lists into one, in C# .NET
...ating the list with the correct final size - whereas the code in my answer does. Do that, and the 10000*10000 test is faster using AddRange, at least - although other results are inconsistent. (You should also force garbage collection between tests - and I'd argue that the very short tests are meani...
Get a specific bit from byte
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Because of missing braces (operator precedence) this code does not compile, it must be var bit = (b & (1 << bitNumber-1)) != 0;
– bitbonk
Aug 30 '12 at 8:44
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How to update Identity Column in SQL Server?
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You can not update identity column.
SQL Server does not allow to update the identity column unlike what you can do with other columns with an update statement.
Although there are some alternatives to achieve a similar kind of requirement.
When Identity column value need...
How do you underline a text in Android XML?
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I tryed this. the string does not come up underlined?
– Michael Zeuner
Apr 4 '12 at 20:57
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What are the performance characteristics of sqlite with very large database files? [closed]
I know that sqlite doesn't perform well with extremely large database files even when they are supported (there used to be a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an o...